Button for about two seconds. Then release both.
Connect your Minix to your PC. Maybe you have to install the drivers first, please refer to the Minix Video (https://www.youtube.com/watch?v=zbGp8WL4vu4) how to do that. Drivers are contained in the Minix Firmware Releases zip-files: http://www.minix.com.hk/Support.htm
Start the RKAndroidTool. On the bottom of the program, something like the following should be displayed:
- Select ‘erase IDB’
- Select and check the loader, kernel, boot, recovery and parameter files and then click ‘Run’.